21738930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{724631}}^1$

素因数の和:724641

約数の個数: 16

約数和(自身を含む): 52173504

約数和(自身を除く): 30434574

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 724631, 1449262, 2173893, 3623155, 4347786, 7246310, 10869465, 21738930]

約数ペア:

[(1, 21738930), (2, 10869465), (3, 7246310), (5, 4347786), (6, 3623155), (10, 2173893), (15, 1449262), (30, 724631)]